 |
Observer
| Controller
| observer | |
| mil. abbr. | obsv |
| controller | |
| abbr. el. | cont |
| avia. Canada | A person holding a valid licence to control air traffic |
| mil. abbr. | con; ctlr |
| |||
| obsv | |||
| Observer: 1 phrase in 1 subject |
| Meteorology | 1 |